CN206349181U - A kind of three layers of accompanying-heat cable manufacture device of two core - Google Patents
A kind of three layers of accompanying-heat cable manufacture device of two core Download PDFInfo
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- CN206349181U CN206349181U CN201620547894.0U CN201620547894U CN206349181U CN 206349181 U CN206349181 U CN 206349181U CN 201620547894 U CN201620547894 U CN 201620547894U CN 206349181 U CN206349181 U CN 206349181U
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Abstract
The utility model discloses two cores, three layers of accompanying-heat cable manufacture device, include a kind of two cores, three layers of self-centering co-extruding machine head, including housing, core rod support set, twin-core mould and gland, core rod support set is housed in housing, tapered duct is provided with core rod support set, core rod support set two ends are fixed with preceding gland and rear pressing cover positioning respectively, feeding-passage on housing is communicated with the coupling sleeve on housing, the first feeding-passage is provided between inlet wire positioning mould and the inner conductor layer mould, first feeding-passage includes tie point and the first bypass, the first melt space formed between inlet wire positioning mould described in tie point vertical connection and the inner conductor layer mould.The utility model can be internally formed the rotation of fused solution in the first melt space and the second melt space, make to form stronger fixation between the corresponding structure of cable cable processed, cable safety and stability is further improved.
Description
Technical field
The utility model belongs to electric wire manufacturing equipment field, relates generally to a kind of two cores, three layers of accompanying-heat cable manufacture dress
Put.
Background technology
In recent years, domestic cable industry generally uses three layer coextruding device, and some domestic producers are referring also to import
Three layer coextruding device, manufactured.But, the head of the three layer coextruding device of some import and domestic producers manufacture is more
Using annular feeding-passage, this is current widespread practice, but the head of this feedway has a disadvantage that：Use at present
One layer of transition zone is added between metal inside and ptc material, at present, this transition zone relies primarily on the spy of itself material
Property, good fixation is produced with metal inside and PTC inner cores, but this fixation at present is not still very firmly, still
Occur that use time short circuit, the situation of mismatch occurs after long.Thus, prior art needs to improve.
Utility model content
The purpose of this utility model is to provide a kind of two cores, three layers of accompanying-heat cable manufacture device to overcome above-mentioned technology
Defect.
To achieve the above object, the present invention provides a kind of two cores, three layers of accompanying-heat cable manufacture device, including head, active release
Line machine, conductor draw drum, dancing wheel, heater, Water Tank with Temp.-controlled, draw-gear and take-up reel, the head be three layers of two core from
Feel relieved co-extruding machine head, including housing, core rod support set, twin-core mould and, core rod support set is housed, in core rod support set in housing
Tapered duct is provided with, inlet wire positioning mould, inner conductor layer mould, four pieces of moulds of PTC layers of mould and insulating barrier mould are mounted in tapered duct successively
Interior, core rod support set two ends are fixed with preceding gland and rear pressing cover positioning respectively, and the feeding-passage on housing is with being arranged on housing
Coupling sleeve communicate, the first feeding-passage is provided between the inlet wire positioning mould and the inner wire tunic, described first enters
Expect that passage includes tie point and the first bypass, inlet wire positioning mould described in the tie point vertical connection and the inner conductor layer
The first melt space formed between film.
Preferably, first bypass tilts the connection tie point and first melt space.
Preferably, first bypass has radian.
Preferably, first feeding-passage also includes an annular feeding-passage, annular described in first bypass
Feeding-passage and the tie point.
Preferably, having the axis differed between some tie points.
Preferably, be provided with the second feeding-passage between the inner conductor layer mould and PTC layers of mould, the inner conductor layer mould with
The second melt space is formed between PTC layers of mould.
Preferably, second feeding-passage includes the second branch road and the second bypass.
Preferably, second bypass tilts connection second branch road and second melt space.
Preferably, the second bypass incline direction is opposite with the described first bypass incline direction.
Compared with prior art, the beneficial effects of the utility model are：The utility model can form the first melt space
The rotation of fused solution is internally formed with the second melt space, makes to form more firm between the corresponding structure of cable cable processed
Solid fixation, cable safety and stability is further improved.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is two core of the utility model, three layers of self-centering head prior art construction schematic diagram；
Fig. 3 is head sectional view of the present utility model；
Fig. 4 is the AA` of the utility model embodiment one to structure chart；
Fig. 5 is the AA` of the utility model embodiment two to structure chart；
Fig. 6 is the AA` of the utility model embodiment three to structure chart；
Fig. 7 is the utility model example IV BB` to structure chart.
Embodiment
Below in conjunction with accompanying drawing, and other technical characteristic above-mentioned to the utility model and advantage are described in more detail.
It is the overall structure diagram of utility model referring to Fig. 1, from two active paying out machines 100 and two draw drums 200
Actively release two conductors 1200, after being heated through the tensioning of dancing wheel 300 and heater 400, into three plastic extruders 600,
700th, by the upper inner conductor layer of disposable cladding, PTC heaters layer, multiple in two cores, three layers of self-centering co-extruding machine head 500 between 800
Close after insulating barrier, then after the cooling of Water Tank with Temp.-controlled 900, kept well by draw-gear 1000 and take-up reel 1100.：From two active releases
Line machine 100 and two draw drums 200 actively release two conductors 1200, after being heated through the tensioning of dancing wheel 3 00 and heater 400,
Disposably coated in into two cores, three layers of self-centering co-extruding machine head 500 between three plastic extruders 600,700,800
After inner conductor layer, PTC heaters layer, composite insulation layer, then after the cooling of Water Tank with Temp.-controlled 900, by draw-gear 1000 and take-up
Disk 1100 is kept well.The tensile force of two conductors 1200 should be consistent.
Referring to Fig. 2, Fig. 2 illustrates for the prior art construction of two cores, three layers of self-centering co-extruding machine head described in the utility model
Figure.Two cores, three layers of self-centering co-extruding machine head of the prior art, mainly include object 1, core rod support set 2, twin-core mould and pressure
It is equipped with lid 3 and 4, housing 1 in core rod support set 2, core rod support set 2 and is provided with square duct, inlet wire positioning mould 15, inner conductor layer
18 4 pieces of moulds of mould 16, PTC layer mould 17 and insulating barrier mould are mounted in tapered duct successively, before the two ends of core rod support set 2 are used respectively
Gland 3 and rear pressing cover 4 positioning fix, the outer rim of core rod support set 2 have three feeding-passages respectively with core rod support set 2 in lead
Body layer mould 15, PTC layers of mould 17 and insulating barrier mould 18 are communicated, the feeding-passage on housing 1 and the coupling sleeve phase on housing 1
It is logical.
Fixed between the housing 1 and core rod support set 2 with pin 8.
The first feeding-passage 21, the inner wire are provided between the inlet wire positioning mould 15 and the inner conductor layer mould 16
The second feeding-passage 22 is provided between layer mould 16 and PTC layers of mould 17, is provided between the PTC layers of mould 17 and insulating barrier mould 18
3rd feeding-passage 30.
Part of the first annular feeding-passage 21 on housing 1 is communicated with the first coupling sleeve 5, and the second annular charging is logical
Part of the road 22 on housing 1 is communicated with the second coupling sleeve 6, part and threeth of the 3rd annular feeding-passage 30 on housing 1
Coupling sleeve 7 is communicated.
In actual process, the opening of the cable metal inner cores of two three layers of core cable from the inlet wire positioning mould 15
Into in the first melt space formed between the inlet wire positioning mould 15 and the inner conductor layer mould 16, in this melt space
There is the inner conductor layer material of molten condition, the metal inside is between the inlet wire positioning mould 15 and the inner conductor layer mould 16
Wrap up after the inner conductor layer material, enter along the opening of the inner conductor layer mould 16 in described in the first melt space formed
There is molten condition in the second melt space formed between conductor layer mould 16 and the PTC layers of mould 17, the second involvement space
PTC, similarly, last insulating barrier using similar method be wrapped in inner conductor layer wrapped with it is glad in PTC layers of cable
Reward.And first feeding-passage 21 passes through for the inner conductor layer melted material, and first melt space is injected, it is described
Second feeding-passage 22, the third channel 30 respectively for melting ptc material and insulating materials enter the second melt space and
3rd melt space.
Shown in Figure 4, it is the AA` of the utility model embodiment one to sectional view.
The first melt space 31, the first feeding-passage 21, the bypasses of the first main road 23a and first 24a are illustrated in figure.
In the present embodiment, first feeding-passage is included in the bypass 24a of the first main road 23a and first, the present embodiment, on
Relative two the first main road axis interlock down, and first bypass is tilted from the first main road 23a extends to institute
State in the first melt space.The structure design of this two-way circulation fused solution, is enabled in first melt space 31
Fused solution shows a certain degree of rotation, and this rotation enables to cable inner core wrapping up the process of the inner conductor layer
In, the inner conductor layer of parcel a certain degree of rotation is also occurred, what this rotating band came is outside the inner conductor layer of package
Surface occurs a certain degree of twill and gauffer, this gauffer can make the inner conductor layer with it is described PTC layers between connect
It is more close in tactile process, the fixing intensity between two layers can be obviously improved, the security of product is improved.
Embodiment two
Shown in Figure 5, it is the structural representation of the utility model embodiment two.
Embodiment two is similar to embodiment one, and difference is, refers to by the first main road 23b and first in Fig. 5
Road 24b, the first bypass 23b is tilted from the first main road 24b to be extended in first melt space 31, and is presented one
Fixed radian.This cambered structure can make the rotational agitation of the fused solution in first melt space 31 more violent.
Two first melt spaces 31 are got through in embodiment two, and the centre got through is provided with flow-guiding structure
25b, the setting of the flow-guiding structure can make the fused solution flowing in two first melt spaces more violent, make to process
Into cable inner conductor layer with PTC layers combine it is even closer.
Embodiment three
Shown in Figure 6, it is the structural representation of the utility model embodiment three.
Embodiment three is similar to embodiment one, and difference is, refers to by the first main road 23c and first in Fig. 6
Road 24c, and also include an annular branch road 26c, described first bypass 24c one end is originated from the annular branch road 26c, the other end
Connect first melt space 31.
Example IV
Shown in Figure 7, it is the structural representation of the utility model example IV.
Fig. 7 illustrates Fig. 3 middle sections BB` schematic diagram.Second feeding-passage 22 enters described for PTC fused solutions
Two melt spaces 32, second feeding-passage 22 includes the second branch road 27 and the second bypass 28, and second branch road 27 is vertical
Lead to second melt space, and second bypass 28 is originated from second branch road 27, is tilted into described second and is melted
Melt space 33, make the melting ptc material in second melt space that there is one and the described in embodiment one, two, three
The direction in opposite direction of heart layer material rotational agitation in one melt space 31.
So, when the metal inside for having wrapped up interior new material enters in second melt space 32, described the
Melting PTC inside two melt spaces 32 can produce the rotation opposite with the inner core material bed of material, make fixation therebetween more
Closely, the stability and security of cable are lifted.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to recognized
Fixed specific implementation of the present utility model is confined to these explanations.For the ordinary skill people of the utility model art
For member, without departing from the concept of the premise utility, some simple deduction or replace can also be made, be regarded as this
The protection domain of utility model.
Claims (9)
1. a kind of two cores, three layers of accompanying-heat cable manufacture device, including head, active paying out machine, conductor draw drum, dancing wheel, heating
Device, Water Tank with Temp.-controlled, draw-gear and take-up reel, it is characterised in that the head is a kind of two cores, three layers of self-centering co-extruding machine head,
Be equipped with including housing, core rod support set, twin-core mould and gland, in housing in core rod support set, core rod support set be provided with it is tapered
Duct, inlet wire positioning mould, inner conductor layer mould, four pieces of moulds of PTC layers of mould and insulating barrier mould are mounted in tapered duct successively, core rod branch
Support set two ends are fixed with preceding gland and rear pressing cover positioning respectively, the feeding-passage on housing and the coupling sleeve phase on housing
It is logical, it is characterised in that the first feeding-passage to be provided between the inlet wire positioning mould and the inner conductor layer mould, described first enters
Expect that passage includes tie point and the first bypass, inlet wire positioning mould described in the tie point vertical connection and the inner conductor layer
The first melt space formed between mould.
2. two cores, three layers of accompanying-heat cable manufacture device according to claim 1, it is characterised in that first bypass is tilted
Connect the tie point and first melt space.
3. two cores, three layers of accompanying-heat cable manufacture device according to claim 2, it is characterised in that first bypass has
Radian.
4. two cores, three layers of accompanying-heat cable manufacture device according to claim 1, it is characterised in that first feeding-passage
Also include an annular feeding-passage, annular feeding-passage and the tie point described in first bypass.
5. two cores, three layers of accompanying-heat cable manufacture device as claimed in claim 1, it is characterised in that some tie points it
Between there is the axis that differs.
6. two cores, three layers of accompanying-heat cable manufacture device as any one of claim 1-5, it is characterised in that：Led in described
The second feeding-passage is provided between body layer mould and PTC layers of mould, second is formed between the inner conductor layer mould and PTC layers of mould and is melted
Space.
7. two cores, three layers of accompanying-heat cable manufacture device as claimed in claim 6, it is characterised in that the second feeding-passage bag
Include the second branch road and the second bypass.
8. two cores, three layers of accompanying-heat cable manufacture device as claimed in claim 7, it is characterised in that second bypass, which is tilted, to be connected
Connect second branch road and second melt space.
9. two cores, three layers of accompanying-heat cable manufacture device as claimed in claim 7, it is characterised in that the second bypass inclination side
It is opposite to incline direction is bypassed with described first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547894.0U CN206349181U (en) | 2016-06-01 | 2016-06-01 | A kind of three layers of accompanying-heat cable manufacture device of two core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547894.0U CN206349181U (en) | 2016-06-01 | 2016-06-01 | A kind of three layers of accompanying-heat cable manufacture device of two core |
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| CN206349181U true CN206349181U (en) | 2017-07-21 |
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| CN201620547894.0U Active CN206349181U (en) | 2016-06-01 | 2016-06-01 | A kind of three layers of accompanying-heat cable manufacture device of two core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107967970A (en) * | 2017-11-28 | 2018-04-27 | 安徽环瑞电热器材有限公司 | A kind of accompanying-heat cable manufacture device and its application method |
-
2016
- 2016-06-01 CN CN201620547894.0U patent/CN206349181U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107967970A (en) * | 2017-11-28 | 2018-04-27 | 安徽环瑞电热器材有限公司 | A kind of accompanying-heat cable manufacture device and its application method |
| CN107967970B (en) * | 2017-11-28 | 2019-04-12 | 安徽环瑞电热器材有限公司 | A kind of accompanying-heat cable manufacturing device and its application method |
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